Incidental Mutation 'R4829:Dhcr7'
ID 372669
Institutional Source Beutler Lab
Gene Symbol Dhcr7
Ensembl Gene ENSMUSG00000058454
Gene Name 7-dehydrocholesterol reductase
Synonyms
MMRRC Submission 042445-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R4829 (G1)
Quality Score 195
Status Validated
Chromosome 7
Chromosomal Location 143376882-143402147 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to G at 143391654 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Serine at position 81 (I81S)
Ref Sequence ENSEMBL: ENSMUSP00000119984 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000073878] [ENSMUST00000124340] [ENSMUST00000125564] [ENSMUST00000128454] [ENSMUST00000141916] [ENSMUST00000143338] [ENSMUST00000144034] [ENSMUST00000207143] [ENSMUST00000145471]
AlphaFold O88455
Predicted Effect probably damaging
Transcript: ENSMUST00000073878
AA Change: I81S

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000073541
Gene: ENSMUSG00000058454
AA Change: I81S

DomainStartEndE-ValueType
Pfam:ERG4_ERG24 36 471 1.5e-94 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000124340
AA Change: I81S

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000117659
Gene: ENSMUSG00000058454
AA Change: I81S

DomainStartEndE-ValueType
Pfam:ERG4_ERG24 36 471 1.5e-94 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000125564
Predicted Effect probably benign
Transcript: ENSMUST00000128454
Predicted Effect noncoding transcript
Transcript: ENSMUST00000128610
Predicted Effect probably damaging
Transcript: ENSMUST00000141916
AA Change: I81S

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000121782
Gene: ENSMUSG00000058454
AA Change: I81S

DomainStartEndE-ValueType
Pfam:ERG4_ERG24 36 471 1.5e-94 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000143338
AA Change: I81S

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000119984
Gene: ENSMUSG00000058454
AA Change: I81S

DomainStartEndE-ValueType
transmembrane domain 33 55 N/A INTRINSIC
transmembrane domain 147 169 N/A INTRINSIC
transmembrane domain 174 196 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000144034
AA Change: I81S

PolyPhen 2 Score 0.005 (Sensitivity: 0.97; Specificity: 0.74)
SMART Domains Protein: ENSMUSP00000118957
Gene: ENSMUSG00000058454
AA Change: I81S

DomainStartEndE-ValueType
transmembrane domain 33 55 N/A INTRINSIC
Pfam:ERG4_ERG24 75 225 1.3e-35 PFAM
Predicted Effect possibly damaging
Transcript: ENSMUST00000207143
AA Change: I84S

PolyPhen 2 Score 0.485 (Sensitivity: 0.88; Specificity: 0.90)
Predicted Effect probably benign
Transcript: ENSMUST00000145471
Predicted Effect noncoding transcript
Transcript: ENSMUST00000208631
Meta Mutation Damage Score 0.6999 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.4%
  • 10x: 96.4%
  • 20x: 92.8%
Validation Efficiency 98% (109/111)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes an enzyme that removes the C(7-8) double bond in the B ring of sterols and catalyzes the conversion of 7-dehydrocholesterol to cholesterol. This gene is ubiquitously expressed and its transmembrane protein localizes to the endoplasmic reticulum membrane and nuclear outer membrane. Mutations in this gene cause Smith-Lemli-Opitz syndrome (SLOS); a syndrome that is metabolically characterized by reduced serum cholesterol levels and elevated serum 7-dehydrocholesterol levels and phenotypically characterized by mental retardation, facial dysmorphism, syndactyly of second and third toes, and holoprosencephaly in severe cases to minimal physical abnormalities and near-normal intelligence in mild cases. Alternative splicing results in multiple transcript variants that encode the same protein.[provided by RefSeq, Aug 2009]
PHENOTYPE: Mice homozygous for disruptions in this gene die within one day of birth due to respiratory and suckling problems. They exhibit abnormal cholesterol homeostasis with reduced tissue cholesterol levels and total sterol levels, enlarged bladders and sometimes cleft palate. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 95 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1110002E22Rik T C 3: 137,774,780 (GRCm39) V1323A probably damaging Het
Abcb1a T C 5: 8,773,214 (GRCm39) L814P probably damaging Het
Acat1 C A 9: 53,502,756 (GRCm39) G191V probably damaging Het
Acsbg3 A G 17: 57,190,500 (GRCm39) probably null Het
Adamts20 A T 15: 94,224,277 (GRCm39) D1184E probably benign Het
Adss1 T C 12: 112,601,147 (GRCm39) L283P probably damaging Het
Arid4a A G 12: 71,070,272 (GRCm39) probably null Het
Arid4b T A 13: 14,359,023 (GRCm39) D599E probably benign Het
AW146154 T C 7: 41,130,057 (GRCm39) K353R possibly damaging Het
Axdnd1 G T 1: 156,204,216 (GRCm39) R547S possibly damaging Het
Bcat1 A T 6: 144,961,201 (GRCm39) F134Y probably damaging Het
Camk2d C A 3: 126,573,646 (GRCm39) probably benign Het
Catsperg2 T G 7: 29,400,550 (GRCm39) K268T probably damaging Het
Ccar1 A C 10: 62,581,114 (GRCm39) F1103L unknown Het
Ccdc141 T A 2: 76,905,260 (GRCm39) E395D probably damaging Het
Cdc37l1 A G 19: 28,967,983 (GRCm39) T16A probably benign Het
Cdca2 T A 14: 67,931,202 (GRCm39) probably null Het
Cfap96 T C 8: 46,420,952 (GRCm39) I159V probably damaging Het
Cntn5 T G 9: 9,976,288 (GRCm39) K219Q probably damaging Het
Col23a1 C A 11: 51,448,413 (GRCm39) A202E unknown Het
Csmd1 G A 8: 16,177,310 (GRCm39) L1318F probably damaging Het
Csnk1g3 C T 18: 54,028,895 (GRCm39) A16V possibly damaging Het
Cspg4b A G 13: 113,504,696 (GRCm39) I1942V probably benign Het
Dab2 A G 15: 6,454,162 (GRCm39) D224G probably damaging Het
Ddr1 A T 17: 35,996,005 (GRCm39) C625S probably damaging Het
Dennd4a T C 9: 64,796,338 (GRCm39) V788A probably damaging Het
Dgcr2 T C 16: 17,660,617 (GRCm39) E402G possibly damaging Het
Exd1 C T 2: 119,350,807 (GRCm39) A485T probably benign Het
Fat1 C T 8: 45,489,199 (GRCm39) T3467I probably damaging Het
Fblim1 T C 4: 141,312,020 (GRCm39) E235G probably damaging Het
Fbxo38 T A 18: 62,651,662 (GRCm39) M548L probably benign Het
Fstl5 T C 3: 76,229,489 (GRCm39) Y97H probably damaging Het
Glb1l A T 1: 75,176,994 (GRCm39) S481T probably damaging Het
Gp2 A T 7: 119,056,407 (GRCm39) V22E possibly damaging Het
Grin1 A G 2: 25,208,736 (GRCm39) S55P possibly damaging Het
Herc2 A G 7: 55,756,240 (GRCm39) D760G probably benign Het
Hpn A G 7: 30,798,300 (GRCm39) probably benign Het
Hsf2 T C 10: 57,372,266 (GRCm39) V73A probably damaging Het
Ighv1-42 T C 12: 114,900,788 (GRCm39) Y80C probably benign Het
Ighv1-64 T C 12: 115,471,346 (GRCm39) K57R probably benign Het
Klc1 T C 12: 111,762,037 (GRCm39) I569T probably damaging Het
Klra3 T G 6: 130,300,579 (GRCm39) K263N probably benign Het
Lrcol1 C A 5: 110,502,393 (GRCm39) H90N probably benign Het
Mamdc4 T C 2: 25,455,368 (GRCm39) E921G possibly damaging Het
Mark1 G A 1: 184,637,724 (GRCm39) R622W possibly damaging Het
Mdga1 A G 17: 30,065,343 (GRCm39) S696P possibly damaging Het
Mmp1b C T 9: 7,370,729 (GRCm39) probably null Het
Mplkipl1 C T 19: 61,164,364 (GRCm39) G24R unknown Het
Mtnr1a T C 8: 45,538,652 (GRCm39) probably benign Het
Myo5a T C 9: 75,043,689 (GRCm39) I226T probably damaging Het
Ncoa6 G T 2: 155,257,147 (GRCm39) P799T probably damaging Het
Npc1l1 C T 11: 6,164,010 (GRCm39) probably null Het
Nxph3 T C 11: 95,402,321 (GRCm39) E31G probably benign Het
Obscn T C 11: 58,945,072 (GRCm39) I4649V probably null Het
Or10d4b A T 9: 39,534,734 (GRCm39) H103L probably damaging Het
Or8b12b G T 9: 37,684,243 (GRCm39) C96F probably damaging Het
Or8g35 A T 9: 39,381,663 (GRCm39) Y120N probably damaging Het
Or8h10 G A 2: 86,808,918 (GRCm39) S74L probably damaging Het
P3h3 G A 6: 124,818,601 (GRCm39) probably benign Het
Pcnx2 A T 8: 126,587,797 (GRCm39) probably null Het
Pirb C T 7: 3,720,602 (GRCm39) G299S probably benign Het
Pla2g4d A G 2: 120,097,224 (GRCm39) S792P probably damaging Het
Plppr4 A T 3: 117,129,240 (GRCm39) L76M possibly damaging Het
Ppp2r3d A T 9: 101,089,709 (GRCm39) S205T possibly damaging Het
Prkdc G A 16: 15,519,939 (GRCm39) D1126N possibly damaging Het
Prrt4 G A 6: 29,177,181 (GRCm39) S196L probably benign Het
Ptpn21 A C 12: 98,655,555 (GRCm39) S471A probably damaging Het
Ptprk C A 10: 28,456,480 (GRCm39) S9* probably null Het
Rassf4 A T 6: 116,622,103 (GRCm39) I163K possibly damaging Het
Rgs22 C A 15: 36,104,034 (GRCm39) R142S probably damaging Het
Rit2 C A 18: 31,345,726 (GRCm39) L73F probably damaging Het
Rrbp1 A C 2: 143,831,607 (GRCm39) S187A probably benign Het
Rspo2 A T 15: 42,956,583 (GRCm39) Y83* probably null Het
Scn5a C T 9: 119,363,773 (GRCm39) V456M probably benign Het
Scn9a T A 2: 66,382,057 (GRCm39) H290L probably benign Het
Smarca4 T C 9: 21,550,623 (GRCm39) I452T probably damaging Het
Smc2 T A 4: 52,449,612 (GRCm39) I198K probably damaging Het
Smim14 G A 5: 65,617,946 (GRCm39) probably benign Het
Spg11 A C 2: 121,938,936 (GRCm39) N339K probably benign Het
Spta1 A G 1: 174,065,493 (GRCm39) E2014G probably benign Het
Stk4 T C 2: 163,941,747 (GRCm39) probably null Het
Sypl1 C T 12: 33,017,645 (GRCm39) T121M probably damaging Het
Tas2r120 T A 6: 132,634,331 (GRCm39) F138I probably benign Het
Tcstv4 G A 13: 120,769,926 (GRCm39) C82Y possibly damaging Het
Tet2 A C 3: 133,182,381 (GRCm39) C1194W possibly damaging Het
Tex29 T C 8: 11,905,668 (GRCm39) probably benign Het
Tnfrsf22 T A 7: 143,197,067 (GRCm39) T91S possibly damaging Het
Tnik A T 3: 28,593,690 (GRCm39) probably benign Het
Tnr A T 1: 159,685,974 (GRCm39) I402F probably benign Het
Unc93b1 A T 19: 3,994,293 (GRCm39) S475C probably damaging Het
Utrn T A 10: 12,539,205 (GRCm39) E1937D probably benign Het
Vmn1r227 A T 17: 20,955,927 (GRCm39) noncoding transcript Het
Vmn2r101 G A 17: 19,832,229 (GRCm39) V742I probably benign Het
Vmn2r81 T C 10: 79,083,635 (GRCm39) L3P possibly damaging Het
Zfp882 T G 8: 72,668,233 (GRCm39) H353Q probably damaging Het
Other mutations in Dhcr7
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00505:Dhcr7 APN 7 143,400,805 (GRCm39) missense probably damaging 0.99
IGL01398:Dhcr7 APN 7 143,395,056 (GRCm39) missense probably damaging 0.99
IGL01668:Dhcr7 APN 7 143,397,048 (GRCm39) missense probably damaging 1.00
IGL01822:Dhcr7 APN 7 143,399,236 (GRCm39) missense probably damaging 1.00
IGL02332:Dhcr7 APN 7 143,396,865 (GRCm39) missense probably damaging 1.00
IGL03136:Dhcr7 APN 7 143,401,103 (GRCm39) missense probably damaging 1.00
IGL03334:Dhcr7 APN 7 143,394,234 (GRCm39) missense possibly damaging 0.80
R0350:Dhcr7 UTSW 7 143,391,507 (GRCm39) missense probably damaging 1.00
R0433:Dhcr7 UTSW 7 143,394,200 (GRCm39) missense possibly damaging 0.92
R0834:Dhcr7 UTSW 7 143,394,964 (GRCm39) missense probably benign 0.19
R1473:Dhcr7 UTSW 7 143,400,805 (GRCm39) missense probably damaging 0.99
R1473:Dhcr7 UTSW 7 143,395,105 (GRCm39) missense probably damaging 1.00
R1769:Dhcr7 UTSW 7 143,401,250 (GRCm39) missense probably damaging 1.00
R1773:Dhcr7 UTSW 7 143,401,195 (GRCm39) missense possibly damaging 0.87
R1997:Dhcr7 UTSW 7 143,401,167 (GRCm39) missense probably damaging 0.99
R2302:Dhcr7 UTSW 7 143,391,629 (GRCm39) missense probably benign 0.00
R4177:Dhcr7 UTSW 7 143,394,910 (GRCm39) missense probably damaging 1.00
R4275:Dhcr7 UTSW 7 143,396,964 (GRCm39) missense probably damaging 1.00
R4860:Dhcr7 UTSW 7 143,394,237 (GRCm39) missense probably benign 0.05
R4860:Dhcr7 UTSW 7 143,394,237 (GRCm39) missense probably benign 0.05
R4944:Dhcr7 UTSW 7 143,391,528 (GRCm39) missense probably damaging 0.96
R5000:Dhcr7 UTSW 7 143,395,060 (GRCm39) missense possibly damaging 0.94
R5454:Dhcr7 UTSW 7 143,391,576 (GRCm39) missense probably damaging 1.00
R5633:Dhcr7 UTSW 7 143,401,160 (GRCm39) missense probably damaging 0.99
R6337:Dhcr7 UTSW 7 143,390,468 (GRCm39) critical splice donor site probably null
R6683:Dhcr7 UTSW 7 143,397,048 (GRCm39) missense probably damaging 0.99
R7175:Dhcr7 UTSW 7 143,399,227 (GRCm39) missense probably damaging 1.00
R7785:Dhcr7 UTSW 7 143,399,209 (GRCm39) missense probably damaging 1.00
R8947:Dhcr7 UTSW 7 143,400,959 (GRCm39) missense probably damaging 1.00
R9006:Dhcr7 UTSW 7 143,394,978 (GRCm39) missense probably benign
R9052:Dhcr7 UTSW 7 143,395,060 (GRCm39) missense possibly damaging 0.79
R9629:Dhcr7 UTSW 7 143,401,212 (GRCm39) nonsense probably null
Predicted Primers PCR Primer
(F):5'- CAGAAGAGGGTCTCTAAGTCCC -3'
(R):5'- TATGTAACTGCTGCACCCTG -3'

Sequencing Primer
(F):5'- TTGAGAACAAGAGCCCTCATG -3'
(R):5'- GACTTGAACATCACTCTGGGTCAG -3'
Posted On 2016-03-01